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digital electronics flip flops
1. Four J-K flip-flops are cascaded with their J-K inputs tied HIGH. If the input frequency (fin) to the first flip-flop is 32 kHz, the output frequency (fout) is ________.
(A): 1 kHz
(B): 16 kHz
(C): 2 kHz
(D): 4 kHz
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